<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<%-- 向页面输出 out.printlt() --%>
	<%=i%>
	<!-- 类体 -->
	<%!int i;

	public void m1() {
		System.out.println("啦啦啦");
	}%>

	<!-- service 方法体 -->
	<%
		System.out.println("=====");
		out.println("我是 service 方法");
		m1();
	%>
</body>
</html>